PDP-11/23 PLUS and FDF11 option - test-drb@ccmp.vtda.org

5 Aug 2001

On August 5, Tony Duell wrote:
...
     The FPF11
has jumpers along the bottom which determine which backplane
 pins it uses for power and ground.  These allow it to be plugged into
 either a Qbus or a Unibus backplane, for use with a pdp11/23 or a  
 Actually, +5V and ground are on the same pins on Unibus and Qbus slots. 
 The jumpers on the FPF11 determine which pins on the bus will be shorted 
 together, thus giving either a Unibus style grant continuity or a Qbus one. 
  Ahh, I stand corrected.  I need ECC in my brain.  I thought those
were for power.

...
  I'd like to see you fit one in a Pro350, though
:-) (you did say any 
 F11-based system). But actually, if you could power it somehow, I think it 
 would work with the Pro. 
  I thought of exactly that when I typed it...and I'm considering
trying it! :-)

      -Dave

-- 
Dave McGuire
Laurel, MD